Homebrew PCBs

lcdpublishing wrote:
> I followed the directions as such...
>
> 2 parts common hydrogen peroxide
> 1 part muriatic acid
>
> The acid is the common type sold at hardware stores and the hydrogen peroxide was also 
> the commonly available for everyday use - grocery store purchase.
>
>   
What was the volume of the  the peroxide, the 3% drugstore type or
the 30% Beauty Supply type?  I was able the get the 30% and I think I 
read, somewhere, that 1 to 1 was OK.

Wayne